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Discussion in 'Plants: Identification' started by coelacanth, Mar 31, 2012.
How can you tell them apart by their seed heads?
The following page shows pictures of the seedheads and of the seeds. I couldn't readily determine the difference of the seed heads but perhaps there is enough variation in the seeds to determine it, if any are left at this time of year.http://www.inhs.uiuc.edu/~kenr/prairieplants.E.html
Hmmm, this is helpful. Prairie Moon also has great seed photos and confirms that E. purpurea lacks the dark band that is on E. pallida seeds.
E. pallida: http://www.prairiemoon.com/image.php?id=929&type=D
I just have a photo from my visit, will have to check back to see if any seeds remain.